Q:

What year was the stoplight invented

Answer

A patent was granted to Garrett Morgan on November 20, 1923 for the traffic signal to regulate vehicle movement.

Categorized In: History

Source: Biography of Garrett Augustus Morgan, inventor of the stoplight | www.essortment.com

Description: A patent was granted to Morgan on November 20, 1923 for the traffic signal to regulate vehicle movement.

Sep 02 2009, 08:52pm

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